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...	...	@@ -38,8 +38,27 @@
38	38	3. If you have not been able to access the network, please try to access the network manually.
39	39
40	40
41		-(% style="color:blue" %)**3. Check the signaling connection status:**
	41	+(% style="color:blue" %)**3. Check the PS Attach or Detach  **
42	42
	43	+(% style="color:#037691" %)**1) AT+CGATT?**
	44	+
	45	+(% style="color:#037691" %)**Response
	46	++CGATT: <state>
	47	+OK**
	48	+
	49	+(% style="color:#037691" %)**Write Command
	50	+AT+CGATT=<state>**
	51	+
	52	+(% style="color:#037691" %)**<state> Integer type. Indicates the state of PS attachment.
	53	+0 Detached
	54	+1 Attached**(%%)
	55	+
	56	+
	57	+**Note:Generally, when registering with an operator, attaching GPRS is automatic, and CGATT can manually attach the network.**
	58	+
	59	+
	60	+(% style="color:blue" %)**4. Check the signaling connection status:**
	61	+
43	43	(% style="color:#037691" %)**1) AT+CSCON?**
44	44
45	45	(% style="color:#037691" %)**Response
...	...	@@ -54,7 +54,7 @@
54	54	1 Connected**
55	55
56	56
57		-(% style="color:blue" %)**4. Check the PDP Context Activate/Deactivate**
	76	+(% style="color:blue" %)**5. Check the PDP Context Activate/Deactivate**
58	58
59	59	(% style="color:#037691" %)**1) AT+CGACT?**
60	60
...	...	@@ -72,4 +72,4 @@
72	72	AT+CGDCONT).**(%%)
73	73
74	74
75		-
	94	+**Note:Note that having a cell ID attached to the network does not necessarily mean successful activation. For data exchange, such as initiating HTTP requests, activation is necessary to use them.**